The trading curbs go into effect when the S&P 500 crosses certain thresholds during extreme market volatility.

Circuit breakers protect you, your family and your home against dangerous electrical situations. Read on if you're curious about what they are and how they work. A circuit is a closed loop of ...

It's already a wild session in the stock market, with futures tied to major indexes around the globe tanking. In Japan, the ...

Even if you aren’t an electronics person, you probably have a working knowledge of circuit breakers. When the lights go out, you find the circuit breaker and flip it back to the on position.

Amid a 5% S&P 500 drop, investors fear a 1987-like crash. Find out why circuit breakers and interventions can prevent a ...

We've now tripped the so-called circuit breakers two times in four days. On Monday, March 9, the S&P 500 fell 7% within minutes of the open, triggering a market-wide trading halt for the first ...